S’mores Overnight French Toast Bake

Nothing says cozy weekend brunch quite like a pan of S’mores Overnight French Toast Bake fresh from the oven! With layers of custard soaked sourdough bread, melted chocolate chips, gooey marshmallows, and crunchy graham crackers, this easy make ahead breakfast transforms a favorite campfire treat into an irresistible morning casserole!

Overnight S’mores French Toast Casserole!

If you love waking up to a breakfast that’s already prepped and ready to bake, this S’mores Overnight French Toast Bake is about to become a new favorite! Combining the nostalgic flavors of classic campfire s’mores with a rich, make-ahead French toast casserole, this recipe is perfect for holiday mornings, weekend brunches, and special family gatherings!

Loaded with gooey marshmallows, melty chocolate chips, and crunchy graham crackers, every bite tastes like dessert for breakfast. The best part? You do all the prep work the night before, making your morning stress free and delicious!

Why this Recipe Works:

• The Bread Soaks Overnight for Maximum Flavor – Letting the sourdough sit in the rich custard overnight allows every piece to absorb the mixture, creating a soft, creamy center with a perfectly baked texture.
• It Captures All the Flavors of Classic S’mores – Gooey marshmallows, melty chocolate chips, and crunchy graham crackers recreate the beloved campfire treat in breakfast form.
• Perfect for Entertaining – Since it’s assembled the night before, you can simply bake it in the morning, making it ideal for holidays, brunches, and family gatherings.

Ingredients You’ll Need:

• 1 loaf Sour Dough Bread – A sturdy bread that soaks up the custard while staying soft and flavorful.
• 8 Eggs – Creates a rich custard and helps bind the casserole together.
• 2 cups Milk – Adds moisture and creaminess to the custard mixture.
• 1/2 cup Heavy Cream – Makes the casserole extra rich and decadent.
• 3/4 cup Sugar – Sweetens the custard and enhances the overall flavor.
• 2 tbsp Vanilla – Adds warm, sweet flavor that pairs perfectly with the s’mores ingredients.
• 1/2 cup Flour – Provides structure for the crumbly streusel topping.
• 1/2 cup Brown Sugar – Adds sweetness and a hint of caramel flavor to the topping.
• 1 tsp Cinnamon – Brings a touch of cozy spice.
• 1/4 tsp Salt – Balances the sweetness and enhances the flavors.
• 1/2 cup Cold Butter (Cut into Pieces) – Creates a rich, buttery streusel topping.
• Mini-Marshmallows – Adds the classic gooey s’mores texture.
• Chocolate Chips – Melts into pockets of rich chocolate throughout the casserole.
• Graham Crackers (Crushed) – Provides the signature crunch and flavor of traditional s’mores.

How to Make S’mores Overnight French Toast Bake

1. Spray 9 x 13 pan with non-stick spray. 
2. Cut a loaf of sour dough bread into cubes and distribute evenly into the pan. 
3. In a bowl, mix together 8 eggs, 2 cups milk, 1/2 cup heavy cream, 3/4 cup sugar, and 2 tbsp vanilla. 
4. Pour over bread evenly. Cover pan and refrigerate overnight. 
5. For the topping, mix together 1/2 cup flour, 1/2 cup brown sugar, 1 tsp cinnamon, and 1/4 tsp salt. 
6. Cut 1/2 cup cold butter into pieces and mix with the topping mixture until crumbly. Place into a separate container and refrigerate overnight. 
7. Take the pan and container out of the refrigerator when ready. Sprinkle the crumbly topping over the bread evenly. 
8. Bake at 350 degrees for 45 minutes. (Remove from the oven if you like it soft; continue to bake if you like it firm.)
9. Set oven to broil.
10. Sprinkle the top with desired amount of mini-marshmallows, chocolate chips, and crushed Graham crackers.
11. Broil for 1-2 minutes. Watch the entire time and remove from oven just as the mini-marshmallows start to turn golden brown.

More Overnight French Toast Recipes:

• The Best Pumpkin French Toast Casserole
• Cream Cheese French Toast Casserole
• Strawberries & Cream French Toast Bake
• Overnight French Toast Bake
• Pecan Pie Overnight French Toast